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This paper describes a stable programming pulse generator to reduce not only the pumping-up time under a low power supply voltage condition, but also the power consumption under a high power supply voltage condition. Moreover, the fluctuation of the programming pulse width is controlled within /spl plusmn/0.5% under the condition of a power supply voltage fluctuation of /spl plusmn/20%. As a result, the increase of the programming pulse width under the low voltage condition is eliminated, and the total programming time can be reduced by about 30%. Furthermore, the proposed 10/spl mu/s delay circuit area can be reduced to 42% of the conventional one.